3950386042 has 16 divisors (see below), whose sum is σ = 5968809000. Its totient is φ = 1960798720.

The previous prime is 3950386019. The next prime is 3950386057. The reversal of 3950386042 is 2406830593.

It can be written as a sum of positive squares in 4 ways, for example, as 1825083841 + 2125302201 = 42721^2 + 46101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3950385986 and 3950386004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774942 + ... + 780022.

Almost surely, 2^3950386042 is an apocalyptic number.

3950386042 is a deficient number, since it is larger than the sum of its proper divisors (2018422958).

3950386042 is a wasteful number, since it uses less digits than its factorization.

3950386042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7841.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 3950386042 is about 62852.0965600989. The cubic root of 3950386042 is about 1580.8106242000.

The spelling of 3950386042 in words is "three billion, nine hundred fifty million, three hundred eighty-six thousand, forty-two".